Rte I81 over W Br Tioughnioga
Cortland County, New York · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rte I81 over W Br Tioughnioga in Cortland County, New York, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1966, making it 59 years old at the 2025 inventory.
- It carries about 14,138 vehicles a day (traffic count year 2011).
- Its listed owner is the state highway agency.
- It is one of 66 of the 189 inventoried bridges in Cortland County rated good (34.9%); 27 (14.3%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (42.75158, -76.13638)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 23 ft |
| Location | 0.5 Mi N Jct I81 + SH 281 |
| NBI structure number | 000000001031461 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Cortland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte I81 over West Branch Tioughnioga | 1966 | 25,286 | Fair |
| Rte 281 over Dry Creek | 2017 | 17,476 | Good |
| Rte I81 over Hunts Creek | 1966 | 16,872 | Fair |
| Rte 13 over Tioughnioga River | 2008 | 15,854 | Fair |
| Rte I81 over Rte 11 | 1966 | 13,527 | Fair |
| Rte I81 over Ny Susquehanna& W | 1966 | 13,527 | Fair |
All bridges nearby: Cortland County, NY bridge conditions · every bridge in Cortland County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.